In a large skillet, sauté the broccoli, carrots and onions( add a few button mushrooms if you like also), in oil until crisp-tender. Stir in cooked chicken and sauce; heat through. Transfer to lightly greased 8-inch square baking dish.
In a small bowl, combine the Bisquick, milk, dill, sugar and butter ,just until moistened. Drop by rounded Tablespoonfuls onto chicken mixture.
Bake uncovered, at 400^ for 18-23 minutes or until bubbly and biscuits are golden brown.